MicrobiologyWhich of the following tests are used to differentiate between these bacteria: Tests: Bacitracin Test, SXT Test, CAMP Test, Enterococcosel Agar, 6.5% NaCl Test and Optochin Test A) Streptococcus viridans and Streptococcus faecalis B) Group A and Group B Streptococci C) Group B...
March 25, 2010

physicsFind the tangential acceleration of a freely swinging pendulum when it makes an angle θ with the vertical. (Use theta for θ and g as necessary.) i tried 2.56 as an answer and it was wrong, so im guessing im suppose to use symbols?
March 14, 2010

physicsA space station is shaped like a ring and rotates to simulate gravity. If the radius of the space station is 150 m, at what frequency must it rotate so that it simulates Earth's gravity? [Hint: The apparent weight of the astronauts must be the same as their weight on Earth...
March 13, 2010

physicsA roller coaster has a vertical loop with radius 17.9 m. With what minimum speed should the roller coaster car be moving at the top of the loop so that the passengers do not lose contact with the seats? (how do i go about in solving this)
March 13, 2010

statisticsThe accounting department at Weston Materials, Inc., a national manufacturer of unattached garages, reports that is takes two construction workers a mean of 32 hours and a standard deviation of 2 hours to erect the red barn model. Assume the assembly times follow the normal ...
March 11, 2010

BusinessWriteacher, I know what you mean! the assignment is quit simple just requires a lot of reading and some research online but this one part of the first question is sooo vague and the books are even more vague not to mention insufficient. Your idea of it is the same as mine so I...
March 10, 2010

BusinessIn one of my assignments I'm suppose to explain the types of input text in business case analysis. I read my book and the resource book but all it says is that there are more types of input texts than the case study itself. :S I tried searching online for more indepth ...
March 10, 2010

mathNo, I still do not understand. why did you subtract 29 from 18? what do you do with 11?
January 26, 2010

mathMake up a set of 7 numbers having the following landmarks: mode:21 median:24 maximum:35 range:20 I do not understand.
January 26, 2010

englishdifference betwween following words. i have these words for spelling and iont know the difference. can you help me. annyway any way,all right alright,every one everyone, already all ready, there's their's, anyone any one, altogether all together
January 26, 2010

MathYour mom is a sporting person, so when it's close to your bedtime, she will have a contest with you to see if you get to stay up and extra half-hour to play a computer game. You get to draw a card from a well-shuffled deck. If you draw a face card, an ace, or any heart, ...
January 11, 2010

MathBack in the old days, couples would enter marathon dance contests to win money. They would dance continuously, with only short breaks for food and drink. Some contests would go on for over a week. How many hours of dancing would there be in a 7-day week?
January 11, 2010

physicsFind the resultant force of a 32-N force pulling horizontally on a wooden crate and a 20-N force pulling at an angle of 49 degrees upward of horizontal. (Your answer should include magnitude and direction of the force)
December 4, 2009

biologyIn D. virilise, the mutations dusky body (dy), cut wings (ct) and white eyes (w) are all recessive alleles located on at different places on the x chromosome. Females heterozygous for all three mutations were crossed to dy ct w males, and the following phenotypes were obtained...
October 28, 2009

mathA car accelerates 15m/s^2 the car has a mass of 45000kg. what force is needed for this to occur?
October 1, 2009

collegeOn january 1, 2007 yarrow corp. had 1000000 shares of common stock outstanding. on march 1 the corp had issued 15000 new shares to raise additional capital. on july 1 the corp. declared and issued a 2 for 1 stock split. on october 1 the corp. purchased on the market 600000 of ...
May 6, 2009

MathHere is the question that I need to answer: Mr.T wanted to remodel his box, He wanted to make it the shape of a perfect regular dimension. A.) How many total degrees would the interior of Mr.T's decagon have? SHOW WORK. B.)How many degrees would each angle be in Mr. T'...
January 8, 2009

mathsthe galaxy we live in is roughly lens shaped,and pins.its diameter is given inlight years. (1 light year=9.5Exp12km) calculate the circuference or our galaxy in kilometres. the earth is at a point 3Exp4 light yaersfrom the centre.How far does the earth travel in one turn of th...
August 23, 2008

English (Frankenstein essay)*Instead saying she tried to give the monster humanity. Say she tries to give the monster human qualities, this is called personification. *mary contrasts the creation of 'adam' by god, with the creation of the monster. Because god see his creation as good but ...
April 10, 2008

PharmacologyThis is super confusing, I'm sorry! The homework: You have to administer simultaneously two drugs which are each 90% protein bound when administered separately. Please use the law of mass action to calculate how do you have to change the administered doses to obtain the ...
September 25, 2007

Physicswhat is the angular speed, in rad/s, of a point on the surface of Jupiter at latitude 72 degrees N?
September 19, 2007

PhysicsOne cubic meter of granite has a mass of 2.70E3 kg, and one cubic meter of gold has a mass of 1.93E4 kg. Find the radius of a granite sphere whose mass is the same as that of a gold sphere of radius 1.07 cm. Any help is appreciated!!
September 18, 2007

math.chemGive the answer to the following calculation with the correct number of significant digits. Report your answer in scientific notation. (6.17 x 10-1 + 4.9 x 10-2) x (3.95 x 10-2 + 6.454 x 10-3) i know the answer is 0.0306, but how many sigfigs should the final answer have? ...
September 13, 2007

MATH/CHEM PLEASE HELP!Give the answer to the following calculation with the correct number of significant digits. Report your answer in scientific notation. (6.17 x 10-1 + 4.9 x 10-2) x (3.95 x 10-2 + 6.454 x 10-3) i know how to solve for the answer, i just dont know the correct number of sig figs...
September 13, 2007

algebraFor a fixed rate, a fixed principal amount, and a fixed compounding cycle, the return is an exponential function of time. Using the formula, , let r = 10%, P = 1, and n = 1 and give the coordinates (t, A) for the points where t = 0, 1, 2, 3, 4. Round your answer to the ...
March 8, 2007

aFor a fixed rate, a fixed principal amount, and a fixed compounding cycle, the return is an exponential function of time. Using the formula, , let r = 10%, P = 1, and n = 1 and give the coordinates (t, A) for the points where t = 0, 1, 2, 3, 4. Round your answer to the ...
March 8, 2007

algebraAn open-top box is to be constructed from a 6 foot by 8 foot rectangular cardboard by cutting out equal squares at each corner and the folding up the flaps. Let x denote the length of each side of the square to be cut out. 1. Find the function V that represents the volume of ...
March 8, 2007

algebraAn open-top box is to be constructed from a 6 foot by 8 foot rectangular cardboard by cutting out equal squares at each corner and the folding up the flaps. Let x denote the length of each side of the square to be cut out. a)
March 7, 2007

physicsm2=m1(v1i-v1f/v1f+v1i) v2f=2m1/m1+m2 all multiplied by v1i the second part to this doesnt matter bc v2i=0
March 4, 2007

BiologyWhich one of the following is not a trace element in the human body? a. fluorine b. nitrogen c. zinc d. manganese e. iodine. The human body contains about 2.6% nitrogen. That is way above the percent in the definition of trace elements See: http://en.wikipedia.org/wiki/...
September 28, 2006

d&tWhat is horology and how does it work, what does it do and why is it used? do not know i think its too do with time You're right. Here's a dictionary definition: The science of measuring time. The art of making timepieces.
September 17, 2006